Senior Software Engineer
Peraton
Chantilly, VA · Posted September 30, 2026
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Where Chantilly, VA ranks
Where Chantilly, VA placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #1Best cities for pay after cost of living in the Mid-Atlantic$192k · of 37
- #1Best cities for pay after cost of living in the Southeast$192k · of 33
- #1Best cities for pay after cost of living in Virginia$192k · of 15
- #2Best all-round cities for mid-career professionals in the Mid-Atlantic78 / 100 · of 37
- #4Best cities for mid-career professionals66% · of 100
- #5Best cities for engineering pay after cost of living$198k · of 94
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
Pay compared with the market
This listing does not state pay. Across 1,014 open senior software engineer listings that state pay, the middle half runs $167,500 to $222,500 and the median is $200,000.
Listed pay is what employers advertise, not what people are paid.
Senior Software Engineer salaries by state · Check your own pay
How AI is used in this kind of work
Among software developers, AI is already used for some of the tasks. Measured exposure for software developers: 29% (some).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
Peraton has filed 3 layoff notices in the last twelve months, covering 133 workers, most recently October 2026. These are public filings with state labor departments, and an open role can sit alongside them. See the filings
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About the job
Responsibilities We are looking for an experienced Senior Software Engineer to lead the design and development of advanced content visualization solutions built on OpenSearch. This role includes architectural ownership, leadership, and delivery of highly scalable, mission-focused visualization capabilities. Architect, build, and optimize complex visualization solutions. Lead design for data ingestion, index modeling, and aggregation strategies. Develop custom plugins, React components, or visualization extensions. Partner with product owners and engineering teams to translate mission needs. Resolve performance and scalability challenges. Enforce quality, security, and maintainability. Evaluate new technologies and evolve the visualization platform. Qualifications Required Active TS/SCI with relevant polygraph. Bachelor’s degree and 12 years of experience, or a master’s degree and 10 years of experience, or a PhD with 7 years of experience; four years of additional experience may be substituted in lieu of a degree. 5+ years with OpenSearch/Elasticsearch and dashboard customization. Deep expertise in search optimization, indexing, and tuning. Strong proficiency with JavaScript/TypeScript and React. Experience developing custom plugins for OpenSearch/Kibana. Proven ability to design scalable pipelines. Strong distributed systems and REST API understanding. Cloud, containerization, and CI/CD experience. Preferred Qualifications Experience with observability stacks or mission-centric search systems. Integration of OpenSearch visualizations into enterprise apps. Work in security/compliance-heavy environments. Leadership & Soft Skills Experience leading technical initiatives. Strong communication skills. Proactive problem-solving and autonomy. Peraton Overview Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we’re keeping people around the world safe and secure. Target Salary Range $176,000 - $282,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. EEO EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.